Blekko's "search engine monte" provides blinded results from their own search as well as from Google and Bing [1], so you can perform your own experiments. 1.

Blekko's "search engine monte" provides blinded results from their own search as well as from Google and Bing [1], so you can perform your own experiments. 1. http://blekko.com/ws/hacker+news+/monte http://blekko.com/ws/hacker+news+/monte